JP6161900B2 - 十字靭帯温存型人工膝関節 - Google Patents
十字靭帯温存型人工膝関節 Download PDFInfo
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- JP6161900B2 JP6161900B2 JP2012551320A JP2012551320A JP6161900B2 JP 6161900 B2 JP6161900 B2 JP 6161900B2 JP 2012551320 A JP2012551320 A JP 2012551320A JP 2012551320 A JP2012551320 A JP 2012551320A JP 6161900 B2 JP6161900 B2 JP 6161900B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2002/2892—Tibia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30326—The prosthesis having different structural features at different locations within the same prosthesis differing in height or in length
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
- A61F2002/30616—Sets comprising a plurality of prosthetic parts of different sizes or orientations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30688—Means for allowing passage or sliding of tendons or ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
- A61F2002/30884—Fins or wings, e.g. longitudinal wings for preventing rotation within the bone cavity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2002/3895—Joints for elbows or knees unicompartimental
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- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
10 ベース部材
12a 内側部分
12b 外側部分
12c 連結部分
13 遠位方向ノッチ
14a キール部分
14a' 外方向表面
14a'' 内方向表面
14b キール部分
14b' 外方向表面
14b'' 内方向表面
14c キール部分
14c' 外方向表面
14c'' 内方向表面
15a リップ
15b リップ
15c バンプ
16a キール部分
16a'' 内方向表面
16b キール部分
16b'' 内方向表面
18 補強部材
20 ベース部材
22a 内側部分
22a' 内側ロック部分
22a'' 内側骨接触表面
22b 外側部分
22b' 外側ロック部分2
22b'' 外側骨接触表面
22c 連結(または前方)部分
23 遠位ノッチ
24a 内側フィン、キール部分
24b 外側フィン、キール部分
24c 前方フィン、キール部分
26a 傾斜内側フィン
26b 傾斜外側フィン
28a 補強部材
28b 補強部材
30 脛骨ベース部材
39a 内側隆起リップ
39b 外側隆起リップ
39c 前方隆起リップ
40 ベース部材
43 ノッチ
44a 内側キール部分
48a 補強部材
48b 補強部材
50 ベース部材
52a 内側部分
52b 外側部分
56a 傾斜フィン
56b 傾斜フィン
58a 補強部材
58b 補強部材
60 ベース部材
64a 内側フィン
64b 外側フィン
64c 前方フィン
69c 前方隆起リップ
70 ベース部材
74a 内側フィン
74b 外側フィン
74c 前方フィン
74c'' 内方表面
76a 傾斜フィン
76b 傾斜フィン
79a 内側隆起リップ
79b 外側隆起リップ
79c 前方隆起リップ
80 ベース部材
80a 脛骨ベース部材
80b 脛骨ベース部材
80c 脛骨ベース部材
80d 脛骨ベース部材
81a 丸角、アール、または隅肉
81b 丸角、アール、または隅肉
82a 内側部分
82a' ロック部分
82a'' 骨接触下面
82b 外側部分
82b' ロック部分
82b'' 骨接触下面
82c 前方部分、連結部分、前方キール部分、前方連結部分
85a 補強ウェブ
85b 補強ウェブ
87a 外周セメントレール
87b 外周セメントレール
88a 補強部材
88b 補強部材
89a 隆起リップ部分、内側隆起リップ
89a' 内側隆起リップ
89a'' 内側隆起リップ
89a''' 内側隆起リップ
89a'''' 内側隆起リップ
89b 隆起リップ部分、外側隆起リップ
89b' 外側隆起リップ
89b'' 外側隆起リップ
89b''' 外側隆起リップ
89b'''' 外側隆起リップ
89c リップ、隆起リップ部分、前方隆起リップ
90 脛骨ベースプレート、脛骨ベース部材
94a キール部分
94b キール部分
94c キール部分
100 インプラント、脛骨プロテーゼ
110 内側脛骨インサート、内側関節運動インサート
112 ロック機構
114b 輪郭
116a 冠状断面輪郭
117a 外周ステップ
117b 外周ステップ
118 近心リップ
119 周囲斜角面
120 外側脛骨インサート
122 ロック機構
124b 輪郭
126a 輪郭
127a 外周ステップ
127b 外周ステップ
128 近心リップ
129 周囲斜角面
220 脛骨
222 脛骨隆起
310 前十字靭帯(ACL)
320 後十字靭帯(PCL)
400 大腿骨構成要素
402 前方外側斜角面
404 後方外側斜角面
406 外側後方顆
408 内側顆
410 後方外側斜角面
412 顆間膝蓋骨接触領域
450 大腿骨構成要素
455 内側後方顆
460 丸み縁部
470 後方外側斜角面
500 十字靭帯含有インサート
510 外側部分
600 膝蓋骨構成要素
700 脛骨ベースプレート、脛骨ベース部材
1500 脛骨ベース部材
1600 脛骨プロテーゼ、モノリシックベース部材
1602 多孔性構造体材料
1604 関節運動表面
1700 脛骨ベースプレート
1710 ペグ
Claims (16)
- 脛骨の近位部分を少なくとも部分的に置換するための脛骨プロテーゼであって、
(a)前記脛骨の前記近位部分の上の切除済み表面に接触するための下方表面と、
(b)近位脛骨に形成された空洞部の中に貫通するためのキールであって、前記下方表面から離れるように下方後方角度で延在するキールと
を備え、
前記キールは、前方キール部分、内側キール部分、および外側キール部分を備え、前記前方キール部分は、前記下方表面から離れるように下方後方角度で延在し、
前記脛骨プロテーゼは、連結ベースプレート部分の後方の内側ベースプレート部分と外側ベースプレート部分との間に延在する中央ノッチを画成し、前記中央ノッチは、前十字靭帯装着部位および後十字靭帯装着部位を含む脛骨隆起の部分を受けるのに十分な幅および長さを有する、脛骨プロテーゼ。 - 前記脛骨プロテーゼは、前記内側ベースプレート部分、前記外側ベースプレート部分、および、前記内側ベースプレート部分と前記外側ベースプレート部分との間に延在し、前記内側ベースプレート部分と前記外側ベースプレート部分とを連結する前記連結ベースプレート部分をさらに備え、前記前方キール部分の少なくとも一部が、前記連結ベースプレート部分の上において概して内外方向に延在し、前記内側キール部分の少なくとも一部が、前記内側ベースプレート部分の上において概して前後方向に延在し、前記外側キール部分の少なくとも一部が、前記外側ベースプレート部分の上において概して前後方向に延在する、請求項1に記載の脛骨プロテーゼ。
- 前記前方キール部分は、厚み増大区域において前記内側キール部分と前記外側キール部分とを接合する、請求項2に記載の脛骨プロテーゼ。
- 前記前方キール部分は、幅増大区域において前記内側キール部分と前記外側キール部分とを接合する、請求項2に記載の脛骨プロテーゼ。
- 前記連結ベースプレート部分は、前後方向において厚さが増大する、請求項2に記載の脛骨プロテーゼ。
- 前記内側キール部分および前記外側キール部分は、前記内側キール部分および前記外側キール部分が前後方向に延在するにつれて、高さが低下する、請求項2に記載の脛骨プロテーゼ。
- 前記前方キール部分は、前方面および後方面を備え、前記前方面は、前記下方表面から離れるように下方後方への前方面角度にて延在し、前記後方面は、前記下方表面から離れるように下方後方への後方面角度にて延在する、請求項1に記載の脛骨プロテーゼ。
- 前記前方キール部分は、前方内側/後方外側間の方向において、前記連結ベースプレート部分の端部間にわたって延在する、請求項1に記載の脛骨プロテーゼ。
- さらに、大腿骨顆関節表面と共に関節運動するための脛骨関節表面
を備え、
前記脛骨関節表面は、前記関節表面の内側縁部に沿って前後方向に延在する近心リップを画定し、
前記近心リップは、前記関節表面の対応する中央部分に対してある高さだけ高くなされ、
前記近心リップが前記対応する中央部分に対して高められた高さは、前後方向に低下する、請求項1に記載の脛骨プロテーゼ。 - 前記脛骨関節表面は、内側脛骨関節表面であり、前記内側脛骨関節表面の少なくとも一部分が、矢状面内において凹型である、請求項9に記載の脛骨プロテーゼ。
- 前記内側脛骨関節表面の前方近心部分が、前記大腿骨顆関節表面に対して少なくとも部分的に整合するように湾曲される、請求項10に記載の脛骨プロテーゼ。
- 前記内側脛骨関節表面の後方外側部分が、実質的に平坦であり、前記大腿骨顆関節表面に対して実質的に整合しない、請求項11に記載の脛骨プロテーゼ。
- 前記脛骨関節表面は、外側脛骨関節表面であり、前記外側脛骨関節表面は、矢状面内において凸型である、請求項9に記載の脛骨プロテーゼ。
- 外側脛骨関節表面の前方近心部分が、前記大腿骨顆関節表面に対して少なくとも部分的に整合するように湾曲される、請求項12に記載の脛骨プロテーゼ。
- 前記外側脛骨関節表面の後方外側部分が、実質的に平坦であり、前記大腿骨顆関節表面に対して実質的に整合しない、請求項13に記載の脛骨プロテーゼ。
- 前記脛骨プロテーゼは、脛骨インサートであり、前記脛骨インサートは、脛骨ベースプレートに固定するための少なくとも1つのロック部材を備える下方表面をさらに備える、請求項9に記載の脛骨プロテーゼ。
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